The present study is an analytical one. It examines the efficiency of sectoral indices in India. It is of great interest to many to know which factors influence the stock market efficiency in general and different industries in particular. The investors need to understand the efficiency of stock market to invest their hard earned money in a profitable way while policy makers need the latest information about different indices to devise appropriate policies. Thus, the study on efficiency of sectoral indices could also help the Government to identify the efficient sector and to channel the available resources to the profitable sectors. The study found that the BSE Bankex recorded at the highest returns compared to all other sample indices during the study period.